Product comparison · 2 internal hard drives

Freecom Mobile Drive PRO 250GB U&F vs Seagate Momentus 7200.2 100 GB SATA 3Gb/s 25pk

14specifications compared
10differ
4identical
15known for one product only

Key differences

The Freecom Mobile Drive PRO 250GB U&F has 150 GB more HDD capacity than the Seagate Momentus 7200.2 100 GB SATA 3Gb/s 25pk (250 GB vs 100 GB). The Seagate Momentus 7200.2 100 GB SATA 3Gb/s 25pk has 1,800 RPM more HDD speed than the Freecom Mobile Drive PRO 250GB U&F (7200 RPM vs 5400 RPM). The Freecom Mobile Drive PRO 250GB U&F has 2 ms more average seek time than the Seagate Momentus 7200.2 100 GB SATA 3Gb/s 25pk (13 ms vs 11 ms). Storage temperature (T-T): -20 - 80 °C on the Freecom Mobile Drive PRO 250GB U&F, -40 - 70 °C on the Seagate Momentus 7200.2 100 GB SATA 3Gb/s 25pk.

HDD capacity
- Mobile Drive PRO 250GB U&F:250 GB
- Momentus 7200.2 100 GB SATA 3Gb/s 25pk:100 GB
HDD speed
- Mobile Drive PRO 250GB U&F:5400 RPM
- Momentus 7200.2 100 GB SATA 3Gb/s 25pk:7200 RPM
Average seek time
- Mobile Drive PRO 250GB U&F:13 ms
- Momentus 7200.2 100 GB SATA 3Gb/s 25pk:11 ms
Average latency
- Mobile Drive PRO 250GB U&F:4.2 ms
- Momentus 7200.2 100 GB SATA 3Gb/s 25pk:4.17 ms
Operating temperature (T-T)
- Mobile Drive PRO 250GB U&F:5 - 60 °C
- Momentus 7200.2 100 GB SATA 3Gb/s 25pk:0 - 60 °C
Storage temperature (T-T)
- Mobile Drive PRO 250GB U&F:-20 - 80 °C
- Momentus 7200.2 100 GB SATA 3Gb/s 25pk:-40 - 70 °C
Width
- Mobile Drive PRO 250GB U&F:18 mm
- Momentus 7200.2 100 GB SATA 3Gb/s 25pk:69.8 mm
Depth
- Mobile Drive PRO 250GB U&F:132 mm
- Momentus 7200.2 100 GB SATA 3Gb/s 25pk:100.5 mm

Side by side

Differences highlightedShow differences only

Comparison of Mobile Drive PRO 250GB U&F, Momentus 7200.2 100 GB SATA 3Gb/s 25pk
29 specifications	A Freecom Mobile Drive PRO 250GB U&F View product	B Seagate Momentus 7200.2 100 GB SATA 3Gb/s 25pk View product
Features4 differ
HDD capacityDiffers	250 GB	100 GB
HDD speedDiffers	5400 RPM	7200 RPM
HDD size	2.5"	2.5"
Storage drive buffer size	8 MB	8 MB
Track to track seek timeKnown for one	3 ms	Unknown — not stated by the source
Average seek timeDiffers	13 ms	11 ms
Average latencyDiffers	4.2 ms	4.17 ms
Bytes per sectorKnown for one	512	Unknown — not stated by the source
Mean time between failures (MTBF)Known for one	50000 h	Unknown — not stated by the source
InterfaceKnown for one	Unknown — not stated by the source	Serial ATA
Component forKnown for one	Unknown — not stated by the source	Laptop
Poweridentical
Operating voltage	5 V	5 V
Operational conditions2 differ
Operating temperature (T-T)Differs	5 - 60 °C	0 - 60 °C
Storage temperature (T-T)Differs	-20 - 80 °C	-40 - 70 °C
Packaging contentidentical
Bundled softwareKnown for one	NTI Shadow Backup	Unknown — not stated by the source
Weight & dimensions4 differ
WidthDiffers	18 mm	69.8 mm
DepthDiffers	132 mm	100.5 mm
HeightDiffers	83 mm	9.5 mm
WeightDiffers	300 g	115 g
Other featuresidentical
Minimum system requirementsKnown for one	CD-ROM	Unknown — not stated by the source
Compatible operating systemsKnown for one	Windows 2000/XP/Vista Mac OS X 10.2.8 +	Unknown — not stated by the source
FireWire 400Known for one	Yes	Unknown — not stated by the source
Internal	Yes	Yes
Mac compatibilityKnown for one	Yes	Unknown — not stated by the source
Minimum RAMKnown for one	256 MB	Unknown — not stated by the source
Minimum processorKnown for one	Pentium III 900MHz	Unknown — not stated by the source
USB 2.0 ports quantityKnown for one	1	Unknown — not stated by the source
Drive device, transfer rateKnown for one	Unknown — not stated by the source	300 MB/s
Sustained data rateKnown for one	Unknown — not stated by the source	59 MB/s

A dash means the value is not stated by the source. Unknown values are never counted for or against a product, and there is no overall score.

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